345600823 has 12 divisors (see below), whose sum is σ = 372526560. Its totient is φ = 320429376.

The previous prime is 345600821. The next prime is 345600833. The reversal of 345600823 is 328006543.

It is not a de Polignac number, because 345600823 - 2¹ = 345600821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345600821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6783 + ... + 27151.

It is an arithmetic number, because the mean of its divisors is an integer number (31043880).

Almost surely, 2^345600823 is an apocalyptic number.

345600823 is a deficient number, since it is larger than the sum of its proper divisors (26925737).

345600823 is a wasteful number, since it uses less digits than its factorization.

345600823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20454 (or 20435 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 345600823 is about 18590.3421969581. The cubic root of 345600823 is about 701.7648142231.

The spelling of 345600823 in words is "three hundred forty-five million, six hundred thousand, eight hundred twenty-three".